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M7S-Hi System Board Manual
Appendix B: POST Messages
56
Message
Possible Cause
Solution
KEYBOARD
ERROR nn
A key is jammed or
was held down during
boot.
Make sure the keys
are not jammed or
dirty.
KEYBOARD
LOCKED
Keyswitch on the
front of the case is
locked.
Unlock the
keyswitch.
MONITOR TYPE
DOES NOT
MATCH CMOS
Monitor type not
correctly identified in
Setup.
Run Setup and enter
correct monitor type.
OPERATING
SYSTEM NOT
FOUND
Operating system
cannot be located on
Drive C: or Drive A:
Check Setup to see
if Drive A: and C: are
properly configured,
or put a bootable
disk in Drive A:
PARITY CHECK 1
nnnn
Parity error found in
the system bus.
Check Setup. Board
repair may be
required.
PARITY CHECK 2
nnnn
Parity error found in
the I/O bus.
Check Setup. Board
repair may be
required.
PREVIOUS BOOT
INCOMPLETE -
DEFAULT
CONFIGURATION
USED
Previous POST did
not complete
successfully.
Run Setup, load
default BIOS
settings, make any
necessary
adjustments, and
save the changes.
REAL TIME
CLOCK ERROR
Real-time clock failed
BIOS test.
May require battery
replacement or board
repair.
SHADOW RAM
FAILED AT
OFFSET
Shadow RAM failed.
May require repair of
system board.
SYSTEM
BATTERY IS DEAD
System battery died.
Replace the system
battery and run
Setup to reconfigure
the system.